contrattiazienda.com

Issued by R3

About this certificate

This digital certificate with serial number 04:a2:c8:74:00:44:da:9b:2b:6f:62:09:bc:8a:0a:f9:ca:d7 was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=contrattiazienda.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a2:c8:74:00:44:da:9b:2b:6f:62:09:bc:8a:0a:f9:ca:d7
Serial Number (int): 403841335079280761253877435552940514986711
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c5:6a:12:d3:0f:ba:8b:0e:3c:9e:55:d5:ef:bf:02:08:f5:fb:e0:5e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b0:7e:3c:df:a3:ac:9a:3e:de:56:1a:e7:b3:bc:1d:a5:83:3a:cd:be
Fingerprint (sha256): a5:5a:c2:64:ac:50:8d:06:31:ed:d5:01:bd:99:d3:e7:89:73:89:a4:3d:4d:22:77:ee:e5:55:2d:49:2c:18:0a

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate contrattiazienda.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for contrattiazienda.com

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

contrattiazienda.com

Other certificates including the domain name contrattiazienda.com

(limited to 100 certificates)
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contrattiazienda.com
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cassinadepecchi.org
www.contrattiazienda.com
contrattiazienda.com
www.contrattiazienda.com
contrattiazienda.com
www.contrattiazienda.com
www.contrattiazienda.com
myphamplaza.com
www.pianostrategico.com
contrattiazienda.com
contrattoazienda.com
contrattiazienda.com
www.contrattiazienda.com
www.bachecaitalia.com

Certificate

The complete raw certificate details for contrattiazienda.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 403841335079280761253877435552940514986711
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-26 04:24:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-25 04:24:15 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'contrattiazienda.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 859212881554381047899394516600819231766155376204222412774951486990336657918138750972898613289240311103980077874503774162604770002129626794173691920231621677261515211604924720922346250873665119390134617953845771029100650395784638448600033529710295839995406291530426680916522413947425670179913015773477623894816270729107488401759782063878476276845396299454429414908298053557435707281723280218312005832320188860470108184227260237725232962296221161601354731452548425818231397923518272174233850687683770607343689140919170260381058391422570626841655287561679760744617025749977250192404504059418149742560037806308537839750238243752658131274517132591840920642233826360520101607032211653177049517115187854349018172402536096385291069059832957723737011770212546982039473421133501521034630118208814171644927009447384055806969963747112974218848386909335943113291047012810685212062138394612050997079963016229241816323336814735856296968921725835056427162750576950214632038839990483182580626130889860598744984524167844266889529685787796477755735162933198406538736758307596103948226154648851815121393915454439299717649697732889732834135896037285782298990779909146303090865465941023326572542384684298345132097978793663958635765904566789066991574970819
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							c56a12d30fba8b0e3c9e55d5efbf0208f5fbe05e
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'contrattiazienda.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ca494adf80000040300483046022100f402f865c3c3781705392de9ded54fa38b7a5fc883b79923fb38139318946916022100fe19e64ab299cbc378a535e9af73aa49e3eca023e460d747a7f228534aab0ecc007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018ca494ae070000040300473045022100d0191ec7ba572f8d113c6acc6476104e44ca65cc7fa76372034fd68ff62b9ed602207d7665e9679e41bdad0de52cf9d0555c3d2549835944de83b055e04ab5fcde32
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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